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Copyright 2009 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
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<head>
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>Closure Unit Tests - goog.ui.FormPost</title>
  <script src="../base.js"></script>
  <script>
    goog.require('goog.array');
    goog.require('goog.dom');
    goog.require('goog.dom.TagName');
    goog.require('goog.object');
    goog.require('goog.testing.jsunit');
    goog.require('goog.ui.FormPost');
    goog.require('goog.userAgent');
    goog.require('goog.userAgent.product');
    goog.require('goog.userAgent.product.isVersion');
  </script>
</head>
<body>
  <script>
    var TARGET = 'target';
    var ACTION_URL = 'http://url/';
    var formPost;
    var parameters;
    var submits;
    var originalCreateDom = goog.ui.FormPost.prototype.createDom;

    function isChrome7or8() {
      // Temporarily disabled in Chrome 7 & 8. See b/3176768
      if (goog.userAgent.product.CHROME &&
          goog.userAgent.product.isVersion('7.0') &&
          !goog.userAgent.product.isVersion('8.0')) {
        return false;
      }

      return true;
    }

    function setUp() {
      formPost = new goog.ui.FormPost();
      submits = 0;

      // Replace the form's submit method with a fake.
      goog.ui.FormPost.prototype.createDom = function() {
        originalCreateDom.apply(this, arguments);

        this.getElement().submit = function() { submits++ };
      }
      parameters = {'foo': 'bar', 'baz': 1, 'array': [0, 'yes']};
    }

    function tearDown() {
      formPost.dispose();
      goog.ui.FormPost.prototype.createDom = originalCreateDom;
    }

    function testPost() {
      formPost.post(parameters, ACTION_URL, TARGET);
      expectUrlAndParameters_(ACTION_URL, TARGET, parameters);
    }

    function testPostWithDefaults() {
      // Temporarily disabled in Chrome 7. See See b/3176768
      if (isChrome7or8) {
        return;
      }
      formPost = new goog.ui.FormPost();
      formPost.post(parameters);
      expectUrlAndParameters_('', '', parameters);
    }

    function expectUrlAndParameters_(url, target, parameters) {
      var form = formPost.getElement();
      assertEquals('element must be a form',
          goog.dom.TagName.FORM, form.tagName);
      assertEquals('form must be hidden', 'none', form.style.display);
      assertEquals('form method must be POST',
          'POST', form.method.toUpperCase());
      assertEquals('submits', 1, submits);
      assertEquals('action attribute', url, form.action);
      assertEquals('target attribute', target, form.target);
      var inputs = goog.dom.getElementsByTagNameAndClass(
          goog.dom.TagName.INPUT, null, form);
      var formValues = {};
      for (var i = 0, input = inputs[i]; input = inputs[i]; i++) {
        if (goog.isArray(formValues[input.name])) {
          formValues[input.name].push(input.value);
        } else if (input.name in formValues) {
          formValues[input.name] = [formValues[input.name], input.value];
        } else {
          formValues[input.name] = input.value;
        }
      }
      var expected = goog.object.map(parameters, valueToString);
      assertObjectEquals('form values must match', expected, formValues);
    }

    function valueToString(value) {
      if (goog.isArray(value)) {
        return goog.array.map(value, valueToString);
      }
      return String(value);
    }

  </script>
</body>
</html>
